# Azure Cognitive Speech Services Azure Cognitive Speech Services for Rust > **NOTE**: This package is not affiliated with Microsoft/Azure and is maintained by [pyke.io](https://github.com/pykeio). ## Features - ✅ **Text to speech** - ✅ Interop with [`speech-synthesis`](https://crates.io/crates/speech-synthesis) - ✅ SSML (via [`ssml`](https://github.com/pykeio/ssml) crate) - ✅ Audio streaming - ✅ Visemes - ❌ Batch synthesis - ❌ **Speech to text** - ❌ **Intent recognition** - ❌ **Speaker recognition** - ❌ **Keyword recognition**